CONTINUOUS COIL PRETREATMENT PROCESS

  • US 20160319440A1
  • Filed: 04/29/2016
  • Published: 11/03/2016
  • Est. Priority Date: 05/01/2015
  • Status: Active Application
First Claim
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1. A continuous coil pretreatment process comprising:

  • a) applying a cleaner to a surface of an aluminum sheet or a coil;

    b) etching the surface of the aluminum sheet or the coil with an acidic solution;

    c) rinsing the surface of the aluminum sheet or the coil with deionized water;

    d) applying to the surface of the aluminum sheet or the coil a solution of an acidic organophosphorus compound;

    e) rinsing the surface of the aluminum sheet or the coil with deionized water; and

    ,f) drying the surface of the aluminum sheet or the coil.

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